Tereftalat ile [N-(2-Hidroksietil)-Etilendiamin] İçeren Karışık ligantlı Bakır(II) Kompleksinin Sentezi, Spektral, Termal ve Yapısal Karakterizasyonu

Year 2020, Volume: 10 Issue: 2, 985 - 997, 01.06.2020

Tuğba Aycan , Hümeyra Paşaoğlu

https://doi.org/10.21597/jist.649334

Abstract

[Cu(Hydet-en)2].(Tpht) (Tpht=Tereftalik asit dianyonu, Hydet-en=N-(2-hidroksietil)etilendiamin) kompleksi sentezlenmiştir. Kompleks tek kristal X-ışını tayini, FT-IR spektroskopisi, UV-Vis spektroskopisi, termogravimetrik analiz ve elementel analiz ile karakterize edilir. Her bir hydet-en ligandı bakır metaline iki dişli olarak koordine olurken, tpht2- anyonu ise birim hücrede serbest olarak bulunmaktadır. Bakır merkezi düzgün bir kare düzlem geometriye sahiptir. Kare düzlem geometriye sahip kompleksin ekvatoral düzlemini hydet-en ligantlarının birincil ve ikincil amin grupları oluşturmaktadır. Monomerler O-H∙∙∙O ve N-H∙∙∙O hidrojen bağlarıyla bağlanarak supramoleküler yapıyı oluşturur. Kompleksin FT-IR araştırması, orta IR bölgesi içinde gerçekleştirildi. Esas olarak tereftalik asit ve N-(2-hidroksietil)etilendiamin) ligantlarının karakteristik titreşimleri göz önünde bulundurarak kompleksin titreşimlerine odaklanıldı. TG, DTA ve DTG teknikleri kullanılarak kompleksin termal davranışları izlenmiştir.

Keywords

Tek Kristal XRD, FT-IR Spektroskopisi, Termogravimetrik Analiz, Tereftalik Asit, Elektronik Geçişler

Supporting Institution

Ondokuz Mayıs Üniversitesi

Project Number

PYO.FEN.1904.10.07

Thanks

Kristalografik dataların toplanmasında emeği geçen Öğr. Gör. Hakan BÜLBÜL'e teşekkür ederim.

Synthesis, Spectral, Thermal and Structural Characterization of Mixed ligand Copper(II) Complex Containing [N-(2-Hydroxyethyl)-Ethylenediamine] with Terephthalate

Abstract

The complex [Cu(hydet-en)2].(tpht) synthesized is characterized by single crystal X-ray determination, FT-IR spectroscopy, UV-Vis spectroscopy, thermogravimetric analysis and elemental analysis (tpht=dianion of terephthalic acid, hydet-en=N-(2- hydroxyethyl)ethylenediamine). While each hydet-en ligand coordinates to copper metal as bidentate, the tpht2-anion is freely available in the unit cell. Copper center has a square plane geometry. In the square geometry, the equatorial plane of the complex is composed of primary and secondary amine groups of hydet-en ligands. Monomers are bonded with O-H∙∙∙O and N-H∙∙∙O hydrogen bonds to form a supramolecular structure. FT-IR investigation of the complex was performed in the middle IR region. The vibrations of the complex were focused mainly considering the characteristic vibrations of terephthalic acid and N-(2- hydroxyethyl)ethylenediamine ligands. Thermal behaviour of the complex was followed using TG, DTA and DTG techniques.

Keywords

Single Crystal XRD, FT-IR spectroscopy, Thermogravimetric Analysis, Terephthalic Acid, Electronic Transitions

Project Number

PYO.FEN.1904.10.07

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